masahi commented on a change in pull request #5623:
URL: https://github.com/apache/incubator-tvm/pull/5623#discussion_r427262080
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File path: src/relay/transforms/merge_composite.cc
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@@ -122,8 +122,10 @@ class MergeCompositeWrapper : public ExprMutator {
for (const auto& arg : pattern->args) {
Expr new_arg;
if (arg->IsInstance<CallNode>()) {
- new_arg =
- ExtractPattern(Downcast<Call>(arg), Downcast<Call>(root->args[i]),
var_map, call_map);
+ if (root->args[i]->IsInstance<CallNode>()) {
Review comment:
Move this condition to the `if` in L124.
```if (arg->IsInstance<CallNode>() && root->args[i]->IsInstance<CallNode>())
{ ... }```
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